1nhc: Difference between revisions

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[[Image:1nhc.gif|left|200px]]
{{Seed}}
[[Image:1nhc.png|left|200px]]


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{{STRUCTURE_1nhc|  PDB=1nhc  |  SCENE=  }}  
{{STRUCTURE_1nhc|  PDB=1nhc  |  SCENE=  }}  


'''Structural insights into the processivity of endopolygalacturonase I from Aspergillus niger'''
===Structural insights into the processivity of endopolygalacturonase I from Aspergillus niger===




==Overview==
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Endopolygalacturonase I is a processive enzyme, while the 60% sequence identical endopolygalacturonase II is not. The 1.70 A resolution crystal structure of endopolygalacturonase I reveals a narrowed substrate binding cleft. In addition, Arg96, a residue in this cleft previously shown to be critical for processivity, interacts with the substrate mimics glycerol and sulfate in several well-defined conformations in the six molecules in the asymmetric unit. From this we conclude that both Arg96 and the narrowed substrate binding cleft contribute to retaining the substrate while it moves through the active site after a cleavage event has occurred.
The line below this paragraph, {{ABSTRACT_PUBMED_14623112}}, adds the Publication Abstract to the page
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{{ABSTRACT_PUBMED_14623112}}


==About this Structure==
==About this Structure==
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[[Category: Snijder, H J.]]
[[Category: Snijder, H J.]]
[[Category: Beta-helix]]
[[Category: Beta-helix]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 02:31:59 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 04:49:42 2008''
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